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CliWi low-emission hydronic heating for construction

CliWi, or “Climate Winner”, is an environment-friendly heating solution for the construction industry. Featuring patented exchange technology, CliWi represents a more sustainable and energy-efficient solution.

At a glance

  • Portable heating units for construction sites
  • More energy-efficient than traditional heaters
  • Reduces fossil fuel use by up to 90%

Solution status


To keep buildings warm and dry, construction companies normally use heaters that run on fossil fuel. Such heaters, however, often have high emissions and a low effect.

To reduce costs, as well as its carbon footprint, the construction industry needs to move towards green solutions and emission-free heating such as, for example, hydronic technology.

Solution inside construction site

Green heating for construction sites

The CliWi technology represents the latest in hydronic heating and heat exchange and is more efficient in exchanging energy than traditional heaters.

In order to create heat, CliWi needs only a fluid energy source, such as hot water (district heating) or glycol. It is built in a closed system, enabling smooth distribution of air.

The heater’s round shape allows for faster and more efficient distribution of heat compared to traditional heating solutions, and is unique within construction heating today.

Research and customer experience show that the CliWi technology is significantly more environment-friendly than traditional heating solutions.

Solution inside factory

Concrete benefits

CliWi makes construction sites greener with non-toxic low-emission heating and cleaner with a range of filter systems.

Compared to traditional diesel burners, CliWi increases efficiency and reduces the use of fossil fuels by up to 90 per cent. When using district heating, CliWi is up to 100 per cent emission-free.

CliWi is lightweight and easy to handle, as well as quiet in operation. Moreoever, there is no fire hazard as CliWi’s surface temperature never exceeds 100 °C.

Market potential

The CliWi product portfolio was developed as a drying and heating solution for the construction industry and has the potential to be used on construction sites worldwide.

CliWi is also suitable for applications in a wide range of areas and industries beyond construction, such as cooling, pest control and damage restoration, and agriculture.

CliWi was developed by HeatWork, a company located in Narvik in Northern Norway. HeatWork has more than 15 years’ experience with hydronic technology and heating, working with clients across the world, from the Arctic to the Antarctic.

In 2017, CliWi won the Norwegian construction industry’s Innovation Award. In 2018, HeatWork received an environmental award from the Liberal Party of Norway, as well as a marketing award for its positive impact on the construction market.

Heatwork headquarters

Industry, innovation and infrastructure

9. Industry, innovation and infrastructure

About the goal

The CliWi technology can reduce greenhouse gas emissions from construction projects.

Contact company



Skarvenesveien 6, 8514 NARVIK, Norway

Kristin Markussen

Kristin Markussen

Marketing Manager

+47 416 19 940

[email protected]

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